It seems there is something wrong with this package as I'm not able to build it, as it hangs at the end of the building process:
...
dpkg-deb: building package `guile-1.6' in `../guile-1.6_1.6.8-6.4_i386.deb'.
dpkg-deb: building package `guile-1.6-dev' in `../guile-1.6-dev_1.6.8-6.4_i386.deb'.
dpkg-deb: building package `guile-1.6-libs' in `../guile-1.6-libs_1.6.8-6.4_i386.deb'.
dpkg-deb: building package `libqthreads-12' in `../libqthreads-12_1.6.8-6.4_i386.deb'.
dpkg-deb: building package `libguile-ltdl-1' in `../libguile-ltdl-1_1.6.8-6.4_i386.deb'.
make[1]: Leaving directory `/build/fabrice-guile-1.6_1.6.8-6.4-i386-rkDRtj/guile-1.6-1.6.8'
dpkg-genchanges -b -mFabrice Coutadeur <email address hidden> >../guile-1.6_1.6.8-6.4_i386.changes
dpkg-genchanges: binary-only upload - not including any source code
dpkg-buildpackage: binary only upload (no source included)
^Csbuild received SIGINT -- shutting down